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 hellbugged
A.k.a.: Daimo Pell
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48's and straight cuts
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| posted on April 6th, 2012 at 08:19 PM |
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What size venturis?
Do you run the bootlid closed?...... I found running one fresh air tube across the backside of the cooler helped.
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cnfabo
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| posted on April 6th, 2012 at 08:27 PM |
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the vents are 40's....the 44's have 36 and 38's....
yeah i thought about scoops and stuff but means more clutter in that area.so it would be easier to just mount it up front out of the way ...
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colin
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| posted on April 6th, 2012 at 08:50 PM |
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| Quote: | Originally
posted by cnfabo
more power have not done any power runs yet,i have taken it to
6000rpm a couple of times and still have another 2000 to go...it really starts pulling from 4000.......still trying to jet the thing ....so far it
wants bigger idles then 60's with the 48mm webbers....im not yet sold on that size carb and might bolt on my old 44's and see how it runs....
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Before you give up on the 48,s get them running spot on then make a decision.
What size capacity is your motor and compression, rev range you said is max8000rpm. 60 idles are on the biggish side for a VW motor under 2000cc. 40mm
vents are also as large as you would go on a under 2000cc, unless it,s a drag motor with no low range torque requirements.
Cheers Col
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cnfabo
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| posted on April 6th, 2012 at 09:02 PM |
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| Quote: | Originally
posted by colin
| Quote: | Originally
posted by cnfabo
more power have not done any power runs yet,i have taken it to
6000rpm a couple of times and still have another 2000 to go...it really starts pulling from 4000.......still trying to jet the thing ....so far it
wants bigger idles then 60's with the 48mm webbers....im not yet sold on that size carb and might bolt on my old 44's and see how it runs....
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Before you give up on the 48,s get them running spot on then make a decision.
What size capacity is your motor and compression, rev range you said is max8000rpm. 60 idles are on the biggish side for a VW motor under 2000cc. 40mm
vents are also as large as you would go on a under 2000cc, unless it,s a drag motor with no low range torque requirements.
Cheers Col
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1916cc,10.5:1,cb2289....the only reason i went for 48's is because my head guy wanted me to chase as much hp probably.my innovative AF gauge says its
lean at idle with 60's and f11's.....
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colin
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| posted on April 6th, 2012 at 09:14 PM |
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As a start i would try 55idles with 155mains and 40 vents
If you use the 38 vents go down to 150mains
You can then with these combos trim your high rpm mixture with your air jet.
hope this helps a little.
Cheers Col
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cnfabo
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| posted on April 6th, 2012 at 10:22 PM |
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i tried 55 idles and it was way to lean...its got 180 airs and 155 mains currently....im off to south africa sunday morn for 6 weeks holidays so
don't have any time to play till i get back..
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cnfabo
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| posted on May 7th, 2012 at 07:51 PM |
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Does running a front mounted cooler drop oil pressure at all?
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hellbugged
A.k.a.: Daimo Pell
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| posted on May 7th, 2012 at 11:23 PM |
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No
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 matberry
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| posted on May 8th, 2012 at 07:40 AM |
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No pressure drop, but I believe there has to be some loss of volume due to extra line length. The other negative is the extra oil that doesn't get
changed during servicing. Porsche did it so it can't be too bad, but I prefer to keep all lines as short as possible.
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
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bigrudi
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| posted on May 8th, 2012 at 08:26 AM |
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Ive run the cooler Rx7 up front for a while now no drop in pressure no flow issues ,temps will run higher with cooler mounted above transmission
cheers Rudi
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hellbugged
A.k.a.: Daimo Pell
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| posted on May 8th, 2012 at 09:42 AM |
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When I'm keen matt, I use a 20litre drum pump to prime and also push out old oil when changing
Disconnect to and from lines, add a hose clamp and catch bucket and away it goes.
Surprisingly when pidgin out the old oil with new, it goes from black old oil, thru murky mix, to clean new oil in just a few strokes of the
plunger
My latest thing has been propping the bootlid at the bottom as opposed to the top, with a 10 degree drop of oil temp!
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Craig Torrens
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| posted on May 23rd, 2012 at 05:51 PM |
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any updates on the cooler and hot engine temps?
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cnfabo
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| posted on May 23rd, 2012 at 06:57 PM |
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no not yet.just got back from africa 2 days ago..tomorow ill move the cooler up front so hopefully this fixes the temps....
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Craig Torrens
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| posted on November 18th, 2012 at 10:12 AM |
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did moving the cooler help ? What temps are you running now ?
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cnfabo
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| posted on November 18th, 2012 at 01:14 PM |
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yes its up front and the temps i have seen up 140+, hope my gauge is wrong
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Craig Torrens
A.k.a.: Craig Torrens
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| posted on November 18th, 2012 at 01:28 PM |
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| Quote: | Originally
posted by cnfabo
yes its up front and the temps i have seen up 140+, hope my gauge is wrong
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just put black tape over the screen !
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cnfabo
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| posted on November 18th, 2012 at 02:08 PM |
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| Quote: | Originally
posted by Craig Torrens
| Quote: | Originally
posted by cnfabo
yes its up front and the temps i have seen up 140+, hope my gauge is wrong
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just put black tape over the screen !
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hellbugged
A.k.a.: Daimo Pell
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| posted on November 18th, 2012 at 05:04 PM |
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Get a dipstick tattle tail
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cnfabo
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| posted on November 18th, 2012 at 05:45 PM |
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| Quote: | Originally
posted by hellbugged
Get a dipstick tattle tail
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???
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hellbugged
A.k.a.: Daimo Pell
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| posted on November 18th, 2012 at 06:48 PM |
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http://forums.aussieveedubbers.com/viewtopic.php?tid=92996&page=1
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matberry
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| posted on November 18th, 2012 at 07:01 PM |
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Ouch, thats hot. What gauge setup, what oil & pump, what cam and CR......?????
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
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cnfabo
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| posted on November 18th, 2012 at 11:18 PM |
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castrol edge 20/50w,cb 30mm shadeck,10.5:1 ,cb2289cam speco gauge
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matberry
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| posted on November 19th, 2012 at 06:39 AM |
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Hope the gauge is wrong, maybe AFR's are lean?.....
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
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4agedub
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| posted on November 21st, 2012 at 04:49 PM |
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We use rubber 3/4" hoses on both our cars with home made oil coolers (made from intercoolers) on the dry sump return line. Works real good.
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Craig Torrens
A.k.a.: Craig Torrens
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| posted on January 25th, 2013 at 08:58 PM |
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| Quote: | Originally
posted by matberry
Hope the gauge is wrong, maybe AFR's are lean?.....
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Did you check your AFR ?
I hear you have a problem with your motor and the heads are off.....hope its all ok ?
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humpty
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| posted on January 25th, 2013 at 10:48 PM |
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I don't think Chris runs any kind of AFR reader or logger....
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cnfabo
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| posted on January 25th, 2013 at 10:55 PM |
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| Quote: | Originally
posted by Craig Torrens
| Quote: | Originally
posted by matberry
Hope the gauge is wrong, maybe AFR's are lean?.....
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Did you check your AFR ?
I hear you have a problem with your motor and the heads are off.....hope its all ok ?
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Na, no probs with the motor, I pulled the heads off for a look as I had a big lean out at barbagallo in December , was my stupid fault as I ran the
tank dry!dick head!!!!! Everything is back together, gearbox is finished and ready to send back from dangerous's, and all my dry sump stuff is ready
to install.
Humpty I have a innovate afr
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Craig Torrens
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| posted on January 26th, 2013 at 08:27 AM |
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Sounds good Chris, the dry sump will help fix oil surge and give you a few extra ponies 
Are you using the CB dry sump kit/parts ?
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colin
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| posted on January 27th, 2013 at 02:48 PM |
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Hey Chris,
really love your work over there in the west.
140 if correct, is very hot for oil temps.
Please keep us updated in regards to your dry sump mods, i am very interested.
What was your reason to go to a dry sump?.
Cheers Col
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cnfabo
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| posted on January 27th, 2013 at 07:47 PM |
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Craig & col , Rene seams to think ill get lower temps with the dry sump setup as I'm keeping oil out of sitting in the case. I also got rid of
the eBay rx7 oil cooler and I got 2 mocal 11 row coolers instead. I'll post some pics up. Yep cb pump and pulley. Dash 12 lines the whole system and
a friend made a big tank for me.
Cheers
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